If all the element of any square matrix are 0 the

a. A2 = 9A

b. A3 = 27A

c. A + A = A2

d. A-1 does not exist

Sorry , there is a mistake in question

All the element of 3x3 square matrix are 1 . Then which options are correct.

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i think option (D) is correct..

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i think all options are correct.

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option B&D are correct ....
A^2 = 3A
and A^-1 does not exist because it is a singular matrix
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